10636421137 has 2 divisors, whose sum is σ = 10636421138. Its totient is φ = 10636421136.

The previous prime is 10636421101. The next prime is 10636421149. The reversal of 10636421137 is 73112463601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8193689361 + 2442731776 = 90519^2 + 49424^2 .

It is a cyclic number.

It is not a de Polignac number, because 10636421137 - 2⁷ = 10636421009 is a prime.

It is a super-3 number, since 3×10636421137³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (10636421167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5318210568 + 5318210569.

It is an arithmetic number, because the mean of its divisors is an integer number (5318210569).

Almost surely, 2^10636421137 is an apocalyptic number.

It is an amenable number.

10636421137 is a deficient number, since it is larger than the sum of its proper divisors (1).

10636421137 is an equidigital number, since it uses as much as digits as its factorization.

10636421137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 10636421137 its reverse (73112463601), we get a palindrome (83748884738).

The spelling of 10636421137 in words is "ten billion, six hundred thirty-six million, four hundred twenty-one thousand, one hundred thirty-seven".